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Rapid:
Individual Calculations October 2017 |
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| Athapatthu, J Dulanjana Total change: -13.60 | |   |
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| Inaugural Sri Lanka National Rapid Chess Championship 2017 | Colomno | SRI | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1361 | 1145 | 0.00 | 3 | -0.68 | 20 | -13.60 | |
|  Roshan, K | | | 1363 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Sanjaya, W M Lankanath | | | 1304 | SRI | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Sahasthra, Sasidu | | | 1417 | SRI | 0.00 | 1 | -0.17 | 20 | -3.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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